CVE-2026-53576 Kestra: Unauthenticated RCE via /configs path-suffix auth-filter bypass

Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter for the REST API @Filter"/api/v1/" treats any request whose path ends in /configs as the public instance-config endpoint and forwards it without a credential check. kestra addresse...

CVE-2026-53576 Kestra: Unauthenticated RCE via /configs path-suffix auth-filter bypass

Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter for the REST API @Filter"/api/v1/" treats any request whose path ends in /configs as the public instance-config endpoint and forwards it without a credential check. kestra addresse...

CVE-2026-53576

Kestra (OSS) before versions 1.0.45 and 1.3.21 is affected by an authentication bypass in the REST API filter. The code checks request.getPath().endsWith("/configs") instead of matching the exact endpoint, causing anonymous bypass to endpoints like /api/v1/{tenant}/flows/configs and /api/v1/{tena...